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Finding the Fourth Proportional to 273,958.40, 411,196.80 and 168,982.40

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Solution

The fourth proportional to 273,958.40, 411,196.80 and 168,982.40 is: 253,633.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,958.40 : 411,196.80 = 168,982.40 : x
  2. Step 2: Convert to fraction form
    273,958.40/411,196.80 = 168,982.40/x
  3. Step 3: Cross multiply
    273,958.40x = 411,196.80 × 168,982.40
  4. Step 4: Simplify right side
    273,958.40x = 69,485,022,136.32
  5. Step 5: Solve for x
    x = 69,485,022,136.32/273,958.40
  6. Step 6: Final answer
    x = 253,633.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.